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ubuntucveUbuntu.comUB:CVE-2021-4166
HistoryDec 25, 2021 - 12:00 a.m.

CVE-2021-4166

2021-12-2500:00:00
ubuntu.com
ubuntu.com
16

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

0.001 Low

EPSS

Percentile

38.5%

vim is vulnerable to Out-of-bounds Read

Bugs

Notes

Author Note
ccdm94 code in bionic and earlier does not include file src/arglist.c, which is the patched file. The patched code for these releases seems to be instead present in src/buffer.c, as seen in commit 4ad62155a10. Changes that led to the creation of file arglist.c and changes made to the code that follow the creation of this file are significant, which would result in an intrusive backport should the altered CVE patch and other necessary changes be applied in bionic and earlier. Consequently, the issue will be marked as ignored for the previously mentioned releases.
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchvim< 2:8.1.2269-1ubuntu5.14UNKNOWN

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

0.001 Low

EPSS

Percentile

38.5%